1207915947 has 24 divisors (see below), whose sum is σ = 1995192576. Its totient is φ = 689831856.

The previous prime is 1207915931. The next prime is 1207915957. The reversal of 1207915947 is 7495197021.

It is not a de Polignac number, because 1207915947 - 2⁴ = 1207915931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1207915927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126888 + ... + 136074.

It is an arithmetic number, because the mean of its divisors is an integer number (83133024).

Almost surely, 2^1207915947 is an apocalyptic number.

1207915947 is a deficient number, since it is larger than the sum of its proper divisors (787276629).

1207915947 is a wasteful number, since it uses less digits than its factorization.

1207915947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11287 (or 11284 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 1207915947 is about 34755.0851962702. The cubic root of 1207915947 is about 1064.9901024009.

The spelling of 1207915947 in words is "one billion, two hundred seven million, nine hundred fifteen thousand, nine hundred forty-seven".